Bao, X. L., Yang, K., O’Conchubhair, O., and Ammann, M. J.,
“Differentially-fed Omnidirectional Circularly Polarized Patch Antenna for RF Energy Harvesting”, in
European Conference on Antennas and Propagation - EuCAP, Davos, Switzerland, 2016.
Bao, X. L. and Ammann, M. J.,
“Printed Band-Reject UWB Antenna with H-Shaped Slot”, in
IEEE International Workshop on Antenna Technology: Small and Smart Antennas, Metamaterials and Applications, Cambridge, UK, 2007, pp. 319-322.
Bao, X. L., Li, Z. F., and Sun, X. W.,
“The Simple Derivation For the Effective Permittivities Formulae In the Finite Difference Grids”, in
IEEE AP-S International Symposium on Antennas and Propagation, Monterey, CA, USA, 2004, vol. 1, pp. 89- 92.
Bao, X. L. and Ammann, M. J.,
“Design of Compact Annular-Ring Patch Antennas for Circular Polarization”, in
China Ireland International Conference on Information & Communication Technologies, Maynooth, Ireland, 2009, pp. 11-15.
Bao, X. L., Zhang, W. X., and Li, L. W.,
“Study on the Dispersion Characteristics of PBG Structure Consisting of Anisotropic Medium By Using PSTD Method”,
Acta Electronica Sinica, vol. 65, no. 12, pp. 345-349, 2003.
Bao, X. L. and Ammann, M. J.,
“(Invited) Compact Spiral Loaded Printed Monopole Antenna”, in
European Conference on Antennas and Propagation - EuCAP, Barcelona, Spain, 2010, pp. C12P2-4.
Bao, X. L. and Ammann, M. J.,
“Wideband Unidirectional Circularly Polarized Antenna for GPS/Galileo/GLONASS”, in
IEEE International Symposium on Antennas and Propagation, Chicago, IL, USA, 2012, p. 460.4.